Backe, Hans-Joachim. „The Aesthetics of Non-Euclidean Game Spaces: Multistability and Object Permanence in "Antichamber" and ‚P.T.‘“. In Game | World | Architectonics: Transdisciplinary Approaches on Structures and Mechanics, Levels and Spaces, Aesthetics and Perception, herausgegeben von Marc Bonner. Heidelberg: Heidelberg University Publishing, 2021. Zugegriffen Mai 9, 2024. https://heiup.uni-heidelberg.de/catalog/book/752/chapter/10385.